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[directfb-users] Re: pixelformat on cle266 overlay
On Fri, Nov 14, 2003 at 04:07:03PM +0800, Selwyn Tang wrote: > Hi all, > > When I first get display layer 1 (cle266 overlay) on an EPIA-M board, > its default pixelformat is YUY2, on which the df_window example fails to > display anything on the screen. I have to set it to ARGB or RGB32 to get > the two windows shown. Most (all?) cards can't write YUY2. And the software accel code can't handle YUV formats very well either. > But even so, the background image is not shown. No idea about this one. Works fine with matrox. > Also, when my mouse is over any of the window, and the window is > changing the opacity, there is serious flickering, which doesn't happen > when I use the primary layer. Set the buffermode to backvideo. > Any ideas? In fact, what is the use of the overlay? YUV support is probably the number one reason for using overlays. Another good reason is hw scaling. > Should I develop my > how application on the primary layer instead, without any performance > penalty? No idea since I don't know what your application is supposed to do. -- Ville Syrjälä email@example.com http://www.sci.fi/~syrjala/ -- Info: To unsubscribe send a mail to firstname.lastname@example.org with "unsubscribe directfb-users" as subject.